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From:
Subject: Re: [DNA] Help with mtdna results requested [haplogroup H]
Date: Sat, 1 May 2004 14:29:17 EDT


In a message dated 05/01/04 3:28:09 AM Pacific Daylight Time,
writes:

> My cousin (the daughter of my father's sister) has nearly the same
> haplotype
> 162, 209, 519 and she was placed in the H haplogroup by FTDNA. I understand
> this to mean that both my parent's maternal lines descend from the same
> woman in the very distant past, as OA said that the 215 was probably
> comparatively "recent".

That's very interesting. I was trying to think if we've had any reports of
known relatives where a mutation has occurred, and I think you may be the first.
Not that many people test close relatives, for one reason. One study of
mutation rates found 3 instances in 705 transmission events. This paper has an
awesome pedigree from Iceland:

Am J Hum Genet. 2000 May;66(5):1599-609. Epub 2000 Apr 07.
The mutation rate in the human mtDNA control region.
Sigurgardottir S, Helgason A, Gulcher JR, Stefansson K, Donnelly P.

http://www.journals.uchicago.edu/cgi-bin/resolve?AJHG991452PDF

Ann Turner - GENEALOGY-DNA List Administrator
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